/*
 * Copyright (c) Hisilicon Technologies Co., Ltd.. 2020-2020. All rights reserved.
 * Description: baseparam database operation function
 * Author: Hisilicon
 * Create: 2020-4-6
 */

#ifndef DRV_PDM_DB_H__
#define DRV_PDM_DB_H__

#include "td_type.h"

#ifdef __cplusplus
extern "C" {
#endif

#define EXT_DB_CHECK_LEN     4
#define EXT_DB_MAX_SIZE      (12*1024)
#define EXT_DB_MAX_NAME_LEN  32

typedef struct {
    td_u32      data_len;
    td_u8       *data;
} ext_db;

typedef struct {
    ext_db       *db;
    td_char     name[EXT_DB_MAX_NAME_LEN];
    td_u32      data_size;
    td_u8       *data;
} ext_db_table;

typedef struct {
    td_char     name[EXT_DB_MAX_NAME_LEN];
    td_u32      value_size;
    td_void     *value;
} ext_db_key;

td_s32 ext_db_create(ext_db *db);

td_s32 ext_db_destroy(ext_db *db);

td_s32 ext_db_get_db_from_mem(td_u8 *db_mem, ext_db *db);

td_s32 ext_db_insert_table(ext_db *db, ext_db_table *table);

td_s32 ext_db_delete_table(ext_db *db, td_char table_name[]);

td_s32 ext_db_get_table_by_name(ext_db *db, td_char table_name[], ext_db_table *table);

td_s32 ext_db_insert_key(ext_db_table *table, ext_db_key *key);

td_s32 ext_db_delete_key(ext_db_table *table, td_char key_name[]);

td_s32 ext_db_get_key_by_name(ext_db_table *table, td_char *key_name, td_u32 key_len, ext_db_key *key);

#ifdef __cplusplus
}
#endif

#endif